2765963 has 4 divisors (see below), whose sum is σ = 2911560. Its totient is φ = 2620368.

The previous prime is 2765953. The next prime is 2765969. The reversal of 2765963 is 3695672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2765963 - 2¹⁰ = 2764939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2765969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72770 + ... + 72807.

It is an arithmetic number, because the mean of its divisors is an integer number (727890).

2^2765963 is an apocalyptic number.

2765963 is a deficient number, since it is larger than the sum of its proper divisors (145597).

2765963 is a wasteful number, since it uses less digits than its factorization.

2765963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145596.

The product of its digits is 68040, while the sum is 38.

The square root of 2765963 is about 1663.1184563945. The cubic root of 2765963 is about 140.3725282625.

The spelling of 2765963 in words is "two million, seven hundred sixty-five thousand, nine hundred sixty-three".